Mercurial > repos > blastem
annotate sms.c @ 2279:3b5fef896475
Fix edge case in m68k_invalidate_code_range that caused problems when loading save states
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 08 Jan 2023 14:20:43 -0800 |
parents | 1e626d0ecf9c |
children | 3e0d463eb9b3 |
rev | line source |
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1 #include <string.h> |
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2 #include <stdlib.h> |
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3 #include <stddef.h> |
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4 #include "config.h" |
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5 #include "sms.h" |
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6 #include "blastem.h" |
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7 #include "render.h" |
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8 #include "util.h" |
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9 #include "debug.h" |
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10 #include "saves.h" |
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11 #include "bindings.h" |
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12 |
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13 #ifdef NEW_CORE |
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14 #define Z80_CYCLE cycles |
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15 #define Z80_OPTS opts |
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16 #define z80_handle_code_write(...) |
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17 #else |
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18 #define Z80_CYCLE current_cycle |
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19 #define Z80_OPTS options |
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20 #endif |
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21 |
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22 static void *memory_io_write(uint32_t location, void *vcontext, uint8_t value) |
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23 { |
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24 z80_context *z80 = vcontext; |
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25 sms_context *sms = z80->system; |
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26 if (location & 1) { |
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27 uint8_t fuzzy_ctrl_0 = sms->io.ports[0].control, fuzzy_ctrl_1 = sms->io.ports[1].control; |
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28 io_control_write(sms->io.ports, (~value) << 5 & 0x60, z80->Z80_CYCLE); |
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29 fuzzy_ctrl_0 |= sms->io.ports[0].control; |
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30 io_control_write(sms->io.ports+1, (~value) << 3 & 0x60, z80->Z80_CYCLE); |
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31 fuzzy_ctrl_1 |= sms->io.ports[1].control; |
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32 if ( |
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33 (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[0].output ^ (value << 1)) & (value << 1)) |
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34 || (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[1].output ^ (value >> 1)) & (value >> 1)) |
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35 ) { |
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36 //TH is an output and it went from 0 -> 1 |
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37 vdp_run_context(sms->vdp, z80->Z80_CYCLE); |
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38 vdp_latch_hv(sms->vdp); |
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39 } |
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40 io_data_write(sms->io.ports, value << 1, z80->Z80_CYCLE); |
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41 io_data_write(sms->io.ports + 1, value >> 1, z80->Z80_CYCLE); |
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42 } else { |
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43 //TODO: memory control write |
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44 } |
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45 return vcontext; |
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46 } |
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47 |
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48 static uint8_t hv_read(uint32_t location, void *vcontext) |
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49 { |
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50 z80_context *z80 = vcontext; |
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51 sms_context *sms = z80->system; |
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52 vdp_run_context(sms->vdp, z80->Z80_CYCLE); |
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53 uint16_t hv = vdp_hv_counter_read(sms->vdp); |
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54 if (location & 1) { |
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55 return hv; |
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56 } else { |
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57 return hv >> 8; |
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58 } |
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59 } |
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60 |
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61 static void *sms_psg_write(uint32_t location, void *vcontext, uint8_t value) |
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62 { |
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63 z80_context *z80 = vcontext; |
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64 sms_context *sms = z80->system; |
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65 psg_run(sms->psg, z80->Z80_CYCLE); |
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66 psg_write(sms->psg, value); |
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67 return vcontext; |
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68 } |
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69 |
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70 static void update_interrupts(sms_context *sms) |
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71 { |
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72 uint32_t vint = vdp_next_vint(sms->vdp); |
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73 uint32_t hint = vdp_next_hint(sms->vdp); |
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74 #ifdef NEW_CORE |
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75 sms->z80->int_cycle = vint < hint ? vint : hint; |
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76 z80_sync_cycle(sms->z80, sms->z80->sync_cycle); |
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77 #else |
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78 sms->z80->int_pulse_start = vint < hint ? vint : hint; |
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79 #endif |
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80 } |
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81 |
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82 static uint8_t vdp_read(uint32_t location, void *vcontext) |
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83 { |
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84 z80_context *z80 = vcontext; |
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85 sms_context *sms = z80->system; |
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86 vdp_run_context(sms->vdp, z80->Z80_CYCLE); |
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87 if (location & 1) { |
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88 uint8_t ret = vdp_control_port_read(sms->vdp); |
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89 sms->vdp->flags2 &= ~(FLAG2_VINT_PENDING|FLAG2_HINT_PENDING); |
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90 update_interrupts(sms); |
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91 return ret; |
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92 } else { |
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93 return vdp_data_port_read_pbc(sms->vdp); |
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94 } |
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95 } |
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96 |
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97 static void *vdp_write(uint32_t location, void *vcontext, uint8_t value) |
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98 { |
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99 z80_context *z80 = vcontext; |
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100 sms_context *sms = z80->system; |
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101 if (location & 1) { |
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102 vdp_run_context_full(sms->vdp, z80->Z80_CYCLE); |
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103 vdp_control_port_write_pbc(sms->vdp, value); |
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104 update_interrupts(sms); |
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105 } else { |
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106 vdp_run_context(sms->vdp, z80->Z80_CYCLE); |
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107 vdp_data_port_write_pbc(sms->vdp, value); |
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108 } |
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109 return vcontext; |
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110 } |
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111 |
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112 static uint8_t io_read(uint32_t location, void *vcontext) |
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113 { |
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114 z80_context *z80 = vcontext; |
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115 sms_context *sms = z80->system; |
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116 if (location == 0xC0 || location == 0xDC) { |
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117 uint8_t port_a = io_data_read(sms->io.ports, z80->Z80_CYCLE); |
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118 uint8_t port_b = io_data_read(sms->io.ports+1, z80->Z80_CYCLE); |
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119 return (port_a & 0x3F) | (port_b << 6); |
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120 } |
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121 if (location == 0xC1 || location == 0xDD) { |
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122 uint8_t port_a = io_data_read(sms->io.ports, z80->Z80_CYCLE); |
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123 uint8_t port_b = io_data_read(sms->io.ports+1, z80->Z80_CYCLE); |
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124 return (port_a & 0x40) | (port_b >> 2 & 0xF) | (port_b << 1 & 0x80) | 0x10; |
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125 } |
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126 return 0xFF; |
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127 } |
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128 |
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129 static void update_mem_map(uint32_t location, sms_context *sms, uint8_t value) |
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130 { |
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131 z80_context *z80 = sms->z80; |
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132 void *old_value; |
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133 if (location) { |
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134 uint32_t idx = location - 1; |
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135 old_value = z80->mem_pointers[idx]; |
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136 z80->mem_pointers[idx] = sms->rom + (value << 14 & (sms->rom_size-1)); |
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137 if (old_value != z80->mem_pointers[idx]) { |
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138 //invalidate any code we translated for the relevant bank |
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139 z80_invalidate_code_range(z80, idx ? idx * 0x4000 : 0x400, idx * 0x4000 + 0x4000); |
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140 } |
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141 } else { |
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142 old_value = z80->mem_pointers[2]; |
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143 if (value & 8) { |
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144 //cartridge RAM is enabled |
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145 z80->mem_pointers[2] = sms->cart_ram + (value & 4 ? (SMS_CART_RAM_SIZE/2) : 0); |
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146 } else { |
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147 //cartridge RAM is disabled |
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148 z80->mem_pointers[2] = sms->rom + (sms->bank_regs[3] << 14 & (sms->rom_size-1)); |
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149 } |
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150 if (old_value != z80->mem_pointers[2]) { |
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151 //invalidate any code we translated for the relevant bank |
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152 z80_invalidate_code_range(z80, 0x8000, 0xC000); |
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153 } |
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154 } |
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155 } |
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156 |
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157 static void *mapper_write(uint32_t location, void *vcontext, uint8_t value) |
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158 { |
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159 z80_context *z80 = vcontext; |
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160 sms_context *sms = z80->system; |
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161 location &= 3; |
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162 sms->ram[0x1FFC + location] = value; |
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163 sms->bank_regs[location] = value; |
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164 update_mem_map(location, sms, value); |
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165 return vcontext; |
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166 } |
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167 |
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168 static void *cart_ram_write(uint32_t location, void *vcontext, uint8_t value) |
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169 { |
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170 z80_context *z80 = vcontext; |
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171 sms_context *sms = z80->system; |
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172 if (sms->bank_regs[0] & 8) { |
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173 //cartridge RAM is enabled |
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174 location &= 0x3FFF; |
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175 z80->mem_pointers[2][location] = value; |
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176 z80_handle_code_write(0x8000 + location, z80); |
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177 } |
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178 return vcontext; |
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179 } |
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180 |
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181 uint8_t debug_commands(system_header *system, char *input_buf) |
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182 { |
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183 sms_context *sms = (sms_context *)system; |
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184 switch(input_buf[0]) |
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185 { |
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186 case 'v': |
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187 if (input_buf[1] == 'r') { |
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188 vdp_print_reg_explain(sms->vdp); |
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189 } else if (input_buf[1] == 's') { |
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190 vdp_print_sprite_table(sms->vdp); |
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191 } else { |
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192 return 0; |
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193 } |
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194 break; |
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195 } |
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196 return 1; |
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197 } |
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198 |
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199 static uint8_t gg_io_read(uint32_t location, void *vcontext) |
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200 { |
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201 z80_context *z80 = vcontext; |
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202 sms_context *sms = z80->system; |
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203 if (!location) { |
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204 return sms->start_button_region; |
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205 } else { |
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206 //TODO: implement link port |
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207 return 0xFF; |
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208 } |
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209 } |
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210 |
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211 static void *gg_io_write(uint32_t location, void *vcontext, uint8_t value) |
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212 { |
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213 //TODO: implement link port |
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214 return vcontext; |
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215 } |
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216 static void *psg_pan_write(uint32_t location, void *vcontext, uint8_t value) |
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217 { |
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218 z80_context *z80 = vcontext; |
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219 sms_context *sms = z80->system; |
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220 psg_run(sms->psg, z80->Z80_CYCLE); |
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221 sms->psg->pan = value; |
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222 return vcontext; |
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223 } |
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224 static memmap_chunk io_map[] = { |
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225 {0x00, 0x40, 0xFF, .write_8 = memory_io_write}, |
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226 {0x40, 0x80, 0xFF, .read_8 = hv_read, .write_8 = sms_psg_write}, |
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227 {0x80, 0xC0, 0xFF, .read_8 = vdp_read, .write_8 = vdp_write}, |
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228 {0xC0, 0x100,0xFF, .read_8 = io_read} |
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229 }; |
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230 |
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231 static memmap_chunk io_gg[] = { |
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232 {0x00, 0x06, 0xFF, .read_8 = gg_io_read, .write_8 = gg_io_write}, |
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233 {0x06, 0x07, 0xFF, .write_8 = psg_pan_write}, |
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234 {0x08, 0x40, 0xFF, .write_8 = memory_io_write}, |
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235 {0x40, 0x80, 0xFF, .read_8 = hv_read, .write_8 = sms_psg_write}, |
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236 {0x80, 0xC0, 0xFF, .read_8 = vdp_read, .write_8 = vdp_write}, |
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237 {0xC0, 0x100,0xFF, .read_8 = io_read} |
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238 }; |
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239 |
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240 static void set_speed_percent(system_header * system, uint32_t percent) |
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241 { |
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242 sms_context *context = (sms_context *)system; |
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243 uint32_t old_clock = context->master_clock; |
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244 context->master_clock = ((uint64_t)context->normal_clock * (uint64_t)percent) / 100; |
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245 |
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246 psg_adjust_master_clock(context->psg, context->master_clock); |
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247 } |
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248 |
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249 void sms_serialize(sms_context *sms, serialize_buffer *buf) |
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250 { |
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251 start_section(buf, SECTION_Z80); |
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252 z80_serialize(sms->z80, buf); |
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253 end_section(buf); |
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254 |
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255 start_section(buf, SECTION_VDP); |
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256 vdp_serialize(sms->vdp, buf); |
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257 end_section(buf); |
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258 |
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259 start_section(buf, SECTION_PSG); |
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260 psg_serialize(sms->psg, buf); |
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261 end_section(buf); |
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262 |
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263 start_section(buf, SECTION_SEGA_IO_1); |
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264 io_serialize(sms->io.ports, buf); |
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265 end_section(buf); |
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266 |
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267 start_section(buf, SECTION_SEGA_IO_2); |
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268 io_serialize(sms->io.ports + 1, buf); |
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269 end_section(buf); |
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270 |
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271 start_section(buf, SECTION_MAIN_RAM); |
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272 save_int8(buf, sizeof(sms->ram) / 1024); |
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273 save_buffer8(buf, sms->ram, sizeof(sms->ram)); |
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274 end_section(buf); |
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275 |
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276 start_section(buf, SECTION_MAPPER); |
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277 save_int8(buf, 1);//mapper type, 1 for Sega mapper |
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278 save_buffer8(buf, sms->bank_regs, sizeof(sms->bank_regs)); |
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279 end_section(buf); |
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280 |
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281 start_section(buf, SECTION_CART_RAM); |
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282 save_int8(buf, SMS_CART_RAM_SIZE / 1024); |
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283 save_buffer8(buf, sms->cart_ram, SMS_CART_RAM_SIZE); |
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284 end_section(buf); |
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285 } |
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286 |
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287 static uint8_t *serialize(system_header *sys, size_t *size_out) |
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288 { |
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289 sms_context *sms = (sms_context *)sys; |
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290 serialize_buffer state; |
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291 init_serialize(&state); |
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292 sms_serialize(sms, &state); |
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293 if (size_out) { |
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294 *size_out = state.size; |
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295 } |
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296 return state.data; |
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297 } |
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298 |
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299 static void ram_deserialize(deserialize_buffer *buf, void *vsms) |
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300 { |
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301 sms_context *sms = vsms; |
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302 uint32_t ram_size = load_int8(buf) * 1024; |
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303 if (ram_size > sizeof(sms->ram)) { |
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304 fatal_error("State has a RAM size of %d bytes", ram_size); |
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305 } |
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306 load_buffer8(buf, sms->ram, ram_size); |
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307 } |
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308 |
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309 static void cart_ram_deserialize(deserialize_buffer *buf, void *vsms) |
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310 { |
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311 sms_context *sms = vsms; |
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312 uint32_t ram_size = load_int8(buf) * 1024; |
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313 if (ram_size > SMS_CART_RAM_SIZE) { |
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314 fatal_error("State has a cart RAM size of %d bytes", ram_size); |
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315 } |
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316 load_buffer8(buf, sms->cart_ram, ram_size); |
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317 } |
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318 |
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319 static void mapper_deserialize(deserialize_buffer *buf, void *vsms) |
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320 { |
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321 sms_context *sms = vsms; |
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322 uint8_t mapper_type = load_int8(buf); |
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323 if (mapper_type != 1) { |
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324 warning("State contains an unrecognized mapper type %d, it may be from a newer version of BlastEm\n", mapper_type); |
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325 return; |
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326 } |
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327 for (int i = 0; i < sizeof(sms->bank_regs); i++) |
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328 { |
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329 sms->bank_regs[i] = load_int8(buf); |
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330 update_mem_map(i, sms, sms->bank_regs[i]); |
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331 } |
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332 } |
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333 |
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334 void sms_deserialize(deserialize_buffer *buf, sms_context *sms) |
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335 { |
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336 register_section_handler(buf, (section_handler){.fun = z80_deserialize, .data = sms->z80}, SECTION_Z80); |
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337 register_section_handler(buf, (section_handler){.fun = vdp_deserialize, .data = sms->vdp}, SECTION_VDP); |
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338 register_section_handler(buf, (section_handler){.fun = psg_deserialize, .data = sms->psg}, SECTION_PSG); |
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339 register_section_handler(buf, (section_handler){.fun = io_deserialize, .data = sms->io.ports}, SECTION_SEGA_IO_1); |
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340 register_section_handler(buf, (section_handler){.fun = io_deserialize, .data = sms->io.ports + 1}, SECTION_SEGA_IO_2); |
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341 register_section_handler(buf, (section_handler){.fun = ram_deserialize, .data = sms}, SECTION_MAIN_RAM); |
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342 register_section_handler(buf, (section_handler){.fun = mapper_deserialize, .data = sms}, SECTION_MAPPER); |
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343 register_section_handler(buf, (section_handler){.fun = cart_ram_deserialize, .data = sms}, SECTION_CART_RAM); |
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344 //TODO: cart RAM |
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345 while (buf->cur_pos < buf->size) |
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346 { |
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347 load_section(buf); |
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348 } |
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349 z80_invalidate_code_range(sms->z80, 0xC000, 0x10000); |
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350 if (sms->bank_regs[0] & 8) { |
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351 //cart RAM is enabled, invalidate the region in case there is any code there |
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352 z80_invalidate_code_range(sms->z80, 0x8000, 0xC000); |
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353 } |
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354 free(buf->handlers); |
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355 buf->handlers = NULL; |
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356 } |
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357 |
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358 static void deserialize(system_header *sys, uint8_t *data, size_t size) |
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359 { |
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360 sms_context *sms = (sms_context *)sys; |
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361 deserialize_buffer buffer; |
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362 init_deserialize(&buffer, data, size); |
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363 sms_deserialize(&buffer, sms); |
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364 } |
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365 |
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366 static void save_state(sms_context *sms, uint8_t slot) |
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367 { |
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368 char *save_path = get_slot_name(&sms->header, slot, "state"); |
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369 serialize_buffer state; |
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370 init_serialize(&state); |
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371 sms_serialize(sms, &state); |
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372 save_to_file(&state, save_path); |
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373 printf("Saved state to %s\n", save_path); |
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374 free(save_path); |
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375 free(state.data); |
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376 } |
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377 |
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378 static uint8_t load_state_path(sms_context *sms, char *path) |
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379 { |
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380 deserialize_buffer state; |
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381 uint8_t ret; |
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382 if ((ret = load_from_file(&state, path))) { |
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383 sms_deserialize(&state, sms); |
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384 free(state.data); |
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385 printf("Loaded %s\n", path); |
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386 } |
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387 return ret; |
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388 } |
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389 |
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390 static uint8_t load_state(system_header *system, uint8_t slot) |
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391 { |
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392 sms_context *sms = (sms_context *)system; |
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393 char *statepath = get_slot_name(system, slot, "state"); |
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394 uint8_t ret; |
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395 #ifndef NEW_CORE |
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396 if (!sms->z80->native_pc) { |
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397 ret = get_modification_time(statepath) != 0; |
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398 if (ret) { |
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399 system->delayed_load_slot = slot + 1; |
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400 } |
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401 goto done; |
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402 |
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403 } |
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404 #endif |
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405 ret = load_state_path(sms, statepath); |
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406 done: |
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407 free(statepath); |
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408 return ret; |
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409 } |
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410 |
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411 static void run_sms(system_header *system) |
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412 { |
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413 sms_context *sms = (sms_context *)system; |
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414 uint32_t target_cycle = sms->z80->Z80_CYCLE + 3420*16; |
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415 //TODO: PAL support |
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416 if (sms->vdp->type == VDP_GAMEGEAR) { |
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417 render_set_video_standard(VID_GAMEGEAR); |
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418 } else { |
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419 render_set_video_standard(VID_NTSC); |
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420 } |
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421 while (!sms->should_return) |
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422 { |
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423 if (system->delayed_load_slot) { |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
424 load_state(system, system->delayed_load_slot - 1); |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
425 system->delayed_load_slot = 0; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
426 |
1480
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
427 } |
2179
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
428 if (sms->vdp->frame != sms->last_frame) { |
2243
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
429 if (sms->psg->scope) { |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
430 scope_render(sms->psg->scope); |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
431 } |
2179
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
432 uint32_t elapsed = sms->vdp->frame - sms->last_frame; |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
433 sms->last_frame = sms->vdp->frame; |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
434 if (system->enter_debugger_frames) { |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
435 if (elapsed >= system->enter_debugger_frames) { |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
436 system->enter_debugger_frames = 0; |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
437 system->enter_debugger = 1; |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
438 } else { |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
439 system->enter_debugger_frames -= elapsed; |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
440 } |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
441 } |
2194
01ff005b08f6
Very rudimentary support for Game Gear VDP emulation
Michael Pavone <pavone@retrodev.com>
parents:
2179
diff
changeset
|
442 |
2179
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
443 if(exit_after){ |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
444 if (elapsed >= exit_after) { |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
445 exit(0); |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
446 } else { |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
447 exit_after -= elapsed; |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
448 } |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
449 } |
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
2134
diff
changeset
|
450 } |
1129
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
451 if (system->enter_debugger && sms->z80->pc) { |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
452 system->enter_debugger = 0; |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
453 zdebugger(sms->z80, sms->z80->pc); |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
454 } |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
455 #ifdef NEW_CORE |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
456 if (sms->z80->nmi_cycle == CYCLE_NEVER) { |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
457 #else |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
458 if (sms->z80->nmi_start == CYCLE_NEVER) { |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
459 #endif |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
460 uint32_t nmi = vdp_next_nmi(sms->vdp); |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
461 if (nmi != CYCLE_NEVER) { |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
462 z80_assert_nmi(sms->z80, nmi); |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
463 } |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
464 } |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
465 z80_run(sms->z80, target_cycle); |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
466 if (sms->z80->reset) { |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
467 z80_clear_reset(sms->z80, sms->z80->Z80_CYCLE + 128*15); |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
468 } |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
469 target_cycle = sms->z80->Z80_CYCLE; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
470 vdp_run_context(sms->vdp, target_cycle); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
471 psg_run(sms->psg, target_cycle); |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
472 |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
473 if (system->save_state) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
474 while (!sms->z80->pc) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
475 //advance Z80 to an instruction boundary |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
476 z80_run(sms->z80, sms->z80->Z80_CYCLE + 1); |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
477 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
478 save_state(sms, system->save_state - 1); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
479 system->save_state = 0; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
480 } |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
481 |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
482 target_cycle += 3420*16; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
483 if (target_cycle > 0x10000000) { |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
484 uint32_t adjust = sms->z80->Z80_CYCLE - 3420*262*2; |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
485 io_adjust_cycles(sms->io.ports, sms->z80->Z80_CYCLE, adjust); |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
486 io_adjust_cycles(sms->io.ports+1, sms->z80->Z80_CYCLE, adjust); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
487 z80_adjust_cycles(sms->z80, adjust); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
488 vdp_adjust_cycles(sms->vdp, adjust); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
489 sms->psg->cycles -= adjust; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
490 target_cycle -= adjust; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
491 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
492 } |
1980
81df9aa2de9b
Less hacky run on audio thread mode
Michael Pavone <pavone@retrodev.com>
parents:
1932
diff
changeset
|
493 if (sms->header.force_release || render_should_release_on_exit()) { |
1932
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
494 bindings_release_capture(); |
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
495 vdp_release_framebuffer(sms->vdp); |
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
496 render_pause_source(sms->psg->audio); |
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
497 } |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
498 sms->should_return = 0; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
499 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
500 |
1401
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
501 static void resume_sms(system_header *system) |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
502 { |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
503 sms_context *sms = (sms_context *)system; |
1980
81df9aa2de9b
Less hacky run on audio thread mode
Michael Pavone <pavone@retrodev.com>
parents:
1932
diff
changeset
|
504 if (sms->header.force_release || render_should_release_on_exit()) { |
81df9aa2de9b
Less hacky run on audio thread mode
Michael Pavone <pavone@retrodev.com>
parents:
1932
diff
changeset
|
505 sms->header.force_release = 0; |
1932
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
506 bindings_reacquire_capture(); |
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
507 vdp_reacquire_framebuffer(sms->vdp); |
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
508 render_resume_source(sms->psg->audio); |
b387f1c5a1d0
WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents:
1906
diff
changeset
|
509 } |
1401
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
510 run_sms(system); |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
511 } |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
512 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
513 static void start_sms(system_header *system, char *statefile) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
514 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
515 sms_context *sms = (sms_context *)system; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
516 |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
517 z80_assert_reset(sms->z80, 0); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
518 z80_clear_reset(sms->z80, 128*15); |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
519 |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
520 if (statefile) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
521 load_state_path(sms, statefile); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
522 } |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
523 |
1129
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
524 if (system->enter_debugger) { |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
525 system->enter_debugger = 0; |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
526 zinsert_breakpoint(sms->z80, sms->z80->pc, (uint8_t *)zdebugger); |
1129
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
527 } |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
528 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
529 run_sms(system); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
530 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
531 |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
532 static void soft_reset(system_header *system) |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
533 { |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
534 sms_context *sms = (sms_context *)system; |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
535 z80_assert_reset(sms->z80, sms->z80->Z80_CYCLE); |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
536 #ifndef NEW_CORE |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
537 sms->z80->target_cycle = sms->z80->sync_cycle = sms->z80->Z80_CYCLE; |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
538 #endif |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
539 } |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
540 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
541 static void free_sms(system_header *system) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
542 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
543 sms_context *sms = (sms_context *)system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
544 vdp_free(sms->vdp); |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
545 z80_options_free(sms->z80->Z80_OPTS); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
546 free(sms->z80); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
547 psg_free(sms->psg); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
548 free(sms); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
549 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
550 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
551 static uint16_t get_open_bus_value(system_header *system) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
552 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
553 return 0xFFFF; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
554 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
555 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
556 static void request_exit(system_header *system) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
557 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
558 sms_context *sms = (sms_context *)system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
559 sms->should_return = 1; |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
560 #ifndef NEW_CORE |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
561 sms->z80->target_cycle = sms->z80->sync_cycle = sms->z80->Z80_CYCLE; |
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
562 #endif |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
563 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
564 |
1120
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
565 static void inc_debug_mode(system_header *system) |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
566 { |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
567 sms_context *sms = (sms_context *)system; |
1643
6909c5d0bbb5
Removed old VDP debug functionality
Michael Pavone <pavone@retrodev.com>
parents:
1640
diff
changeset
|
568 vdp_inc_debug_mode(sms->vdp); |
1120
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
569 } |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
570 |
1384
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
571 static void load_save(system_header *system) |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
572 { |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
573 //TODO: Implement me |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
574 } |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
575 |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
576 static void persist_save(system_header *system) |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
577 { |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
578 //TODO: Implement me |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
579 } |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
580 |
1583
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
581 static void gamepad_down(system_header *system, uint8_t gamepad_num, uint8_t button) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
582 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
583 sms_context *sms = (sms_context *)system; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
584 if (gamepad_num == GAMEPAD_MAIN_UNIT) { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
585 if (button == MAIN_UNIT_PAUSE) { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
586 vdp_pbc_pause(sms->vdp); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
587 } |
2195
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
588 } else if (sms->vdp->type == VDP_GAMEGEAR && gamepad_num == 1 && button == BUTTON_START) { |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
589 sms->start_button_region &= 0x7F; |
1583
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
590 } else { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
591 io_gamepad_down(&sms->io, gamepad_num, button); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
592 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
593 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
594 |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
595 static void gamepad_up(system_header *system, uint8_t gamepad_num, uint8_t button) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
596 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
597 sms_context *sms = (sms_context *)system; |
2195
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
598 if (sms->vdp->type == VDP_GAMEGEAR && gamepad_num == 1 && button == BUTTON_START) { |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
599 sms->start_button_region |= 0x80; |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
600 } else { |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
601 io_gamepad_up(&sms->io, gamepad_num, button); |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
602 } |
1583
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
603 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
604 |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
605 static void mouse_down(system_header *system, uint8_t mouse_num, uint8_t button) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
606 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
607 sms_context *sms = (sms_context *)system; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
608 io_mouse_down(&sms->io, mouse_num, button); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
609 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
610 |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
611 static void mouse_up(system_header *system, uint8_t mouse_num, uint8_t button) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
612 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
613 sms_context *sms = (sms_context *)system; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
614 io_mouse_up(&sms->io, mouse_num, button); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
615 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
616 |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
617 static void mouse_motion_absolute(system_header *system, uint8_t mouse_num, uint16_t x, uint16_t y) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
618 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
619 sms_context *sms = (sms_context *)system; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
620 io_mouse_motion_absolute(&sms->io, mouse_num, x, y); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
621 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
622 |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
623 static void mouse_motion_relative(system_header *system, uint8_t mouse_num, int32_t x, int32_t y) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
624 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
625 sms_context *sms = (sms_context *)system; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
626 io_mouse_motion_relative(&sms->io, mouse_num, x, y); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
627 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
628 |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
629 static void keyboard_down(system_header *system, uint8_t scancode) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
630 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
631 sms_context *sms = (sms_context *)system; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
632 io_keyboard_down(&sms->io, scancode); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
633 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
634 |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
635 static void keyboard_up(system_header *system, uint8_t scancode) |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
636 { |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
637 sms_context *sms = (sms_context *)system; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
638 io_keyboard_up(&sms->io, scancode); |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
639 } |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
640 |
1796
51417bb557b6
Configurable gain for overall output and individual components
Michael Pavone <pavone@retrodev.com>
parents:
1759
diff
changeset
|
641 static void set_gain_config(sms_context *sms) |
51417bb557b6
Configurable gain for overall output and individual components
Michael Pavone <pavone@retrodev.com>
parents:
1759
diff
changeset
|
642 { |
51417bb557b6
Configurable gain for overall output and individual components
Michael Pavone <pavone@retrodev.com>
parents:
1759
diff
changeset
|
643 char *config_gain; |
51417bb557b6
Configurable gain for overall output and individual components
Michael Pavone <pavone@retrodev.com>
parents:
1759
diff
changeset
|
644 config_gain = tern_find_path(config, "audio\0psg_gain\0", TVAL_PTR).ptrval; |
51417bb557b6
Configurable gain for overall output and individual components
Michael Pavone <pavone@retrodev.com>
parents:
1759
diff
changeset
|
645 render_audio_source_gaindb(sms->psg->audio, config_gain ? atof(config_gain) : 0.0f); |
51417bb557b6
Configurable gain for overall output and individual components
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|
646 } |
51417bb557b6
Configurable gain for overall output and individual components
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diff
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|
647 |
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|
648 static void config_updated(system_header *system) |
1117
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Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
649 { |
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|
650 sms_context *sms = (sms_context *)system; |
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|
651 setup_io_devices(config, &system->info, &sms->io); |
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|
652 } |
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diff
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|
653 |
2243
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
654 static void toggle_debug_view(system_header *system, uint8_t debug_view) |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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parents:
2202
diff
changeset
|
655 { |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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parents:
2202
diff
changeset
|
656 sms_context *sms = (sms_context *)system; |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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2202
diff
changeset
|
657 if (debug_view < DEBUG_OSCILLOSCOPE) { |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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parents:
2202
diff
changeset
|
658 vdp_toggle_debug_view(sms->vdp, debug_view); |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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parents:
2202
diff
changeset
|
659 } else if (debug_view == DEBUG_OSCILLOSCOPE) { |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
660 if (sms->psg->scope) { |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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parents:
2202
diff
changeset
|
661 oscilloscope *scope = sms->psg->scope; |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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parents:
2202
diff
changeset
|
662 sms->psg->scope = NULL; |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
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parents:
2202
diff
changeset
|
663 scope_close(scope); |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
664 } else { |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
665 oscilloscope *scope = create_oscilloscope(); |
2256
cbe1ba70c247
Fix build after scope clock fix
Michael Pavone <pavone@retrodev.com>
parents:
2243
diff
changeset
|
666 psg_enable_scope(sms->psg, scope, sms->normal_clock); |
2243
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
667 } |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
668 } |
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
669 } |
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diff
changeset
|
670 |
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diff
changeset
|
671 sms_context *alloc_configure_sms(system_media *media, uint32_t opts, uint8_t force_region) |
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Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
672 { |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
673 sms_context *sms = calloc(1, sizeof(sms_context)); |
1201
aee2177a1630
Use filename for game title in SMS mode
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parents:
1184
diff
changeset
|
674 uint32_t rom_size = nearest_pow2(media->size); |
1141
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Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
675 memmap_chunk memory_map[6]; |
1201
aee2177a1630
Use filename for game title in SMS mode
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parents:
1184
diff
changeset
|
676 if (media->size > 0xC000) { |
1595
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diff
changeset
|
677 sms->header.info.map_chunks = 6; |
1141
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Initial support for Sega's family of SMS mappers
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1130
diff
changeset
|
678 uint8_t *ram_reg_overlap = sms->ram + sizeof(sms->ram) - 4; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
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parents:
1980
diff
changeset
|
679 memory_map[0] = (memmap_chunk){0x0000, 0x0400, 0xFFFF, .flags = MMAP_READ, .buffer = media->buffer}; |
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
680 memory_map[1] = (memmap_chunk){0x0400, 0x4000, 0xFFFF, .ptr_index = 0, .flags = MMAP_READ|MMAP_PTR_IDX|MMAP_CODE}; |
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
681 memory_map[2] = (memmap_chunk){0x4000, 0x8000, 0x3FFF, .ptr_index = 1, .flags = MMAP_READ|MMAP_PTR_IDX|MMAP_CODE}; |
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
682 memory_map[3] = (memmap_chunk){0x8000, 0xC000, 0x3FFF, .ptr_index = 2, .flags = MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, .write_8 = cart_ram_write}; |
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
683 memory_map[4] = (memmap_chunk){0xC000, 0xFFFC, sizeof(sms->ram)-1, .ptr_index = 0, .flags = MMAP_READ|MMAP_WRITE|MMAP_CODE, .buffer = sms->ram}; |
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
684 memory_map[5] = (memmap_chunk){0xFFFC, 0x10000, 0x0003, .ptr_index = 0, .flags = MMAP_READ, .buffer = ram_reg_overlap, .write_8 = mapper_write}; |
1141
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Initial support for Sega's family of SMS mappers
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parents:
1130
diff
changeset
|
685 } else { |
1595
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diff
changeset
|
686 sms->header.info.map_chunks = 2; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
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parents:
1980
diff
changeset
|
687 memory_map[0] = (memmap_chunk){0x0000, 0xC000, rom_size-1, 0, 0, .flags = MMAP_READ, .buffer = media->buffer}; |
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
688 memory_map[1] = (memmap_chunk){0xC000, 0x10000, sizeof(sms->ram)-1, 0, 0, .flags = MMAP_READ|MMAP_WRITE|MMAP_CODE, .buffer = sms->ram}; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
689 }; |
1595
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diff
changeset
|
690 sms->header.info.map = malloc(sizeof(memmap_chunk) * sms->header.info.map_chunks); |
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Update controller config when changed in UI without restart
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parents:
1583
diff
changeset
|
691 memcpy(sms->header.info.map, memory_map, sizeof(memmap_chunk) * sms->header.info.map_chunks); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
692 z80_options *zopts = malloc(sizeof(z80_options)); |
2257
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
Michael Pavone <pavone@retrodev.com>
parents:
2256
diff
changeset
|
693 tern_node *model_def; |
2202
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
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parents:
2200
diff
changeset
|
694 uint8_t is_gamegear = !strcasecmp(media->extension, "gg"); |
2257
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
Michael Pavone <pavone@retrodev.com>
parents:
2256
diff
changeset
|
695 if (is_gamegear) { |
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
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parents:
2256
diff
changeset
|
696 model_def = tern_find_node(get_systems_config(), "gg"); |
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
Michael Pavone <pavone@retrodev.com>
parents:
2256
diff
changeset
|
697 } else if (!strcasecmp(media->extension, "sg")) { |
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
Michael Pavone <pavone@retrodev.com>
parents:
2256
diff
changeset
|
698 model_def = tern_find_node(get_systems_config(), "sg1000"); |
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
Michael Pavone <pavone@retrodev.com>
parents:
2256
diff
changeset
|
699 } else { |
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
Michael Pavone <pavone@retrodev.com>
parents:
2256
diff
changeset
|
700 model_def = get_model(config, SYSTEM_SMS); |
1e626d0ecf9c
WIP SG-1000/TMS9918A mode support
Michael Pavone <pavone@retrodev.com>
parents:
2256
diff
changeset
|
701 } |
2202
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
702 char *vdp_str = tern_find_ptr(model_def, "vdp"); |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
703 uint8_t vdp_type = is_gamegear ? VDP_GENESIS : VDP_GAMEGEAR; |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
704 if (vdp_str) { |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
705 if (!strcmp(vdp_str, "sms1")) { |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
706 vdp_type = VDP_SMS; |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
707 } else if (!strcmp(vdp_str, "sms2")) { |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
708 vdp_type = VDP_SMS2; |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
709 } else if (!strcmp(vdp_str, "tms9918a")) { |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
710 vdp_type = VDP_TMS9918A; |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
711 } else if (!strcmp(vdp_str, "gamegear")) { |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
712 vdp_type = VDP_GAMEGEAR; |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
713 } else if (!strcmp(vdp_str, "genesis")) { |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
714 vdp_type = VDP_GENESIS; |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
715 } else { |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
716 warning("Unrecognized VDP type %s\n", vdp_str); |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
717 } |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
718 } |
ee6d30c56eeb
Add separate model/IO selection settings for SMS/GG
Michael Pavone <pavone@retrodev.com>
parents:
2200
diff
changeset
|
719 if (is_gamegear) { |
2195
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
720 init_z80_opts(zopts, sms->header.info.map, sms->header.info.map_chunks, io_gg, 6, 15, 0xFF); |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
721 sms->start_button_region = 0xC0; |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
722 } else { |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
723 init_z80_opts(zopts, sms->header.info.map, sms->header.info.map_chunks, io_map, 4, 15, 0xFF); |
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
724 } |
1130
8f14767661fa
Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
1129
diff
changeset
|
725 sms->z80 = init_z80_context(zopts); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
726 sms->z80->system = sms; |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1690
diff
changeset
|
727 sms->z80->Z80_OPTS->gen.debug_cmd_handler = debug_commands; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
728 |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
729 sms->rom = media->buffer; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
730 sms->rom_size = rom_size; |
1595
360d5bab199f
Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents:
1583
diff
changeset
|
731 if (sms->header.info.map_chunks > 2) { |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
732 sms->z80->mem_pointers[0] = sms->rom; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
733 sms->z80->mem_pointers[1] = sms->rom + 0x4000; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
734 sms->z80->mem_pointers[2] = sms->rom + 0x8000; |
1162
c4ea535cf57e
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Michael Pavone <pavone@retrodev.com>
parents:
1154
diff
changeset
|
735 sms->bank_regs[1] = 0; |
c4ea535cf57e
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Michael Pavone <pavone@retrodev.com>
parents:
1154
diff
changeset
|
736 sms->bank_regs[2] = 0x4000 >> 14; |
c4ea535cf57e
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Michael Pavone <pavone@retrodev.com>
parents:
1154
diff
changeset
|
737 sms->bank_regs[3] = 0x8000 >> 14; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
738 } |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
739 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
740 //TODO: Detect region and pick master clock based off of that |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
741 sms->normal_clock = sms->master_clock = 53693175; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
742 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
743 sms->psg = malloc(sizeof(psg_context)); |
1555
6ce36c3f250b
More audio refactoring in preparation for allowing proper sync to video with dynamic audio rate control
Michael Pavone <pavone@retrodev.com>
parents:
1551
diff
changeset
|
744 psg_init(sms->psg, sms->master_clock, 15*16); |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
745 |
1796
51417bb557b6
Configurable gain for overall output and individual components
Michael Pavone <pavone@retrodev.com>
parents:
1759
diff
changeset
|
746 set_gain_config(sms); |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
747 |
2195
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2194
diff
changeset
|
748 sms->vdp = init_vdp_context(0, 0, vdp_type); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
749 sms->vdp->system = &sms->header; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
750 |
1595
360d5bab199f
Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents:
1583
diff
changeset
|
751 sms->header.info.save_type = SAVE_NONE; |
360d5bab199f
Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents:
1583
diff
changeset
|
752 sms->header.info.name = strdup(media->name); |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
753 |
1595
360d5bab199f
Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents:
1583
diff
changeset
|
754 setup_io_devices(config, &sms->header.info, &sms->io); |
1583
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
755 sms->header.has_keyboard = io_has_keyboard(&sms->io); |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
756 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
757 sms->header.set_speed_percent = set_speed_percent; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
758 sms->header.start_context = start_sms; |
1401
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
759 sms->header.resume_context = resume_sms; |
1384
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
760 sms->header.load_save = load_save; |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
761 sms->header.persist_save = persist_save; |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
762 sms->header.load_state = load_state; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
763 sms->header.free_context = free_sms; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
764 sms->header.get_open_bus_value = get_open_bus_value; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
765 sms->header.request_exit = request_exit; |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
766 sms->header.soft_reset = soft_reset; |
1120
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
767 sms->header.inc_debug_mode = inc_debug_mode; |
1583
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
768 sms->header.gamepad_down = gamepad_down; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
769 sms->header.gamepad_up = gamepad_up; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
770 sms->header.mouse_down = mouse_down; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
771 sms->header.mouse_up = mouse_up; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
772 sms->header.mouse_motion_absolute = mouse_motion_absolute; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
773 sms->header.mouse_motion_relative = mouse_motion_relative; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
774 sms->header.keyboard_down = keyboard_down; |
430dd12e4010
Refactor to split device bindings from IO emulation code
Michael Pavone <pavone@retrodev.com>
parents:
1555
diff
changeset
|
775 sms->header.keyboard_up = keyboard_up; |
1595
360d5bab199f
Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents:
1583
diff
changeset
|
776 sms->header.config_updated = config_updated; |
1690
319d90025d50
Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents:
1688
diff
changeset
|
777 sms->header.serialize = serialize; |
319d90025d50
Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents:
1688
diff
changeset
|
778 sms->header.deserialize = deserialize; |
2243
0d1d5dccdd28
Initial implementation of oscilloscope debug view
Michael Pavone <pavone@retrodev.com>
parents:
2202
diff
changeset
|
779 sms->header.toggle_debug_view = toggle_debug_view; |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
780 sms->header.type = SYSTEM_SMS; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
781 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
782 return sms; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
parents:
1980
diff
changeset
|
783 } |